<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
	<div>
    <ul>
        <li class='red'><h1>red flowers</h1></li>
        <li class='yellow'><h2>yellow flowers</h2></li>
        <li class='white'><h3>white flowers</h3></li>
        <li class='black'><h4>black flowers</h4></li>
    </ul>
</div>
</body>
</html>